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PIO 1Hz example off-by-one cycle #55

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stigbjorlykke opened this issue Dec 15, 2022 · 0 comments · May be fixed by #56
Open

PIO 1Hz example off-by-one cycle #55

stigbjorlykke opened this issue Dec 15, 2022 · 0 comments · May be fixed by #56

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@stigbjorlykke
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The pio_1hz.py example has a off-by-one cycle issue between pin high and pin low. The delays should be exact, even if it's insignificant for a LED blink in this IRQ example.

This Logic 2 capture shows the timing difference between pin high and pin low.
Logic2_pio_1hz_timing_measurements
stigbjorlykke added a commit to stigbjorlykke/pico-micropython-examples that referenced this issue Dec 15, 2022
@stigbjorlykke
pio_1hz.py: Fix off-by-one cycle issue
d99f95f 
Fixes raspberrypi#55
stigbjorlykke added a commit to stigbjorlykke/pico-micropython-examples that referenced this issue Dec 15, 2022
@stigbjorlykke
pio_1hz.py: Fix off-by-one cycle issue
a8caf95 
Fixes raspberrypi#55
@stigbjorlykke stigbjorlykke linked a pull request Dec 15, 2022 that will close this issue
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@stigbjorlykke stigbjorlykke mentioned this issue Jan 6, 2023
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pio_1hz.py: Fix off-by-one cycle issue stigbjorlykke/pico-micropython-examples
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@stigbjorlykke